Whitehorse, SD · standard
ZIP Code 57661
Dewey County, South Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 88
- 2/sq mi Low-density area
- $55,000
- Median income Below-median income area
- 5.8%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
Whitehorse pairs one of the lowest household incomes in the country, in a rural, renter-heavy area.
- 21st pct
- household income, US ZIPs
- 2
- people per sq mi
- 29%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57661 against every reporting US ZIP.
ZIP code 57661 is a sparsely populated ZIP (a standard USPS delivery area) in Whitehorse, Dewey County, South Dakota, home to just 88 residents across 55.0 square miles, a density of 2 people per square mile, in the Denver time zone.
With fewer than 100 residents on file, this page keeps the Census figures below and skips the multi-chart expansion used on larger ZIPs. Small-N ACS estimates are already unstable enough without padding the page around them. Median household income is $55,000.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 57661, Whitehorse, SD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
88
Population
55.0
Area (sq mi)
2
People / sq mi
Denver
Time Zone
standard
ZIP Type
Who lives in ZIP 57661?
29.8
Median Age
55.9%
Male
44.1%
Female
0.0%
Foreign-Born
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$55,000
Median Household Income
-28% vs state ZIP avg
$14,135
Per Capita Income
29.4%
Poverty Rate
29.8%
Unemployment Rate
How ZIP 57661 ranks among South Dakota ZIPs
Whitehorse, SD household income vs. every South Dakota ZIP code
Median household income among 337 reporting South Dakota ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$55,000 14th percentile higher than 14% of 337 South Dakota ZIPs
Each bar is a $20K-wide band; taller bars hold more South Dakota ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
56housing units
56
Total Housing Units
56
Occupied Units
0
Vacant Units
3.16
Avg Household Size
Occupancy Type
$616
Median Rent
1978
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
Nearby ZIP Codes
Want a side-by-side? Compare 57661 vs 57656 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 57656 | Timber Lake, SD | 723 | 10.7 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 57661, both outside SD so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
Related Areas
Frequently Asked Questions
What county is ZIP code 57661 in?
ZIP code 57661 (Whitehorse) is located in Dewey County, South Dakota. Dewey County contains multiple ZIP codes, see the full list at /counties/dewey-sd.
What is the population of ZIP code 57661?
ZIP code 57661 in Whitehorse, SD has a population of 88 according to the Census Bureau ACS 2023 estimates.
Take this with you
What to do with ZIP 57661's numbers, next.
- See how ZIP 57661 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Whitehorse, SD ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.